Soap bar



FIG. 1 is a top, side and end perspective view of the soap bar;

FIG. 2 is a side view of the soap bar, the opposite side being the same;

FIG. 3 is a top plan view of the soap bar, the bottom being the same; and,

FIG. 4 is an end view of the soap bar, the opposite end being the same. 

The ornamental design for a soap bar, as shown and described. 